It was revealed recently that Google's much anticipated Project Ara will have swappable health related accessories, one of which is a Pulse Oximeter. The Pulse Oximeter will allow the smartphone to measure oxygen levels in your blood. This woill increase the potential of the yet to be announced smartphone and extend its capabilities to be used as mobile health monitors.
Google’s Project Ara is making heads turn since the first prototype was unveiled as it has swappable internals. The Project, which was originally headed by Motorola Mobility, became Google’s pet project after Motorola was sold off to Lenovo.
Google's Project Ara is expected to come though with a phone early next year but we are skeptical over the number of swappable accessories in the final product. The phone most probably will be available as a base skeleton on which multiple swappable parts could be added later on.
Source:ubergizmo